Finding the Fourth Proportional to 1,230,692.40, 1,845,163.80 and 472,240.80
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Solution
The fourth proportional to 1,230,692.40, 1,845,163.80 and 472,240.80 is: 708,025.52
Step by Step Solution
- Step 1: Write the proportion equation
1,230,692.40 : 1,845,163.80 = 472,240.80 : x - Step 2: Convert to fraction form
1,230,692.40/1,845,163.80 = 472,240.80/x - Step 3: Cross multiply
1,230,692.40x = 1,845,163.80 × 472,240.80 - Step 4: Simplify right side
1,230,692.40x = 871,361,629,043.04 - Step 5: Solve for x
x = 871,361,629,043.04/1,230,692.40 - Step 6: Final answer
x = 708,025.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.